<template>
	<view class="content">
		<view class="navbar">
			<view v-for="(item, index) in navList" :key="index" class="nav-item" :class="{ current: tabCurrentIndex === index }" @click="tabClick(index)">{{ item.text }}</view>
		</view>

		<swiper :current="tabCurrentIndex" class="swiper-box" duration="300" @change="changeTab">
			<swiper-item class="tab-content" v-for="(tabItem, tabIndex) in navList" :key="tabIndex">
				<scroll-view class="list-scroll-content" scroll-y @scrolltolower="loadData">
					<!-- 空白页 -->
					<empty v-if="tabItem.loaded === true && tabItem.orderList.length === 0"></empty>

					<!-- 订单列表 -->
					<view v-for="(item, index) in tabItem.orderList" :key="index" class="order-item" >
						<view class="i-top b-b">
							<text class="time" @click="navToDetailPage(item)">{{ item.createTime }}</text>
							<text class="state" :style="{ color: item.stateTipColor }" @click="navToDetailPage(item)">{{ item.id }}--</text>
							<text class="state" :style="{ color: item.stateTipColor }" @click="navToDetailPage(item)">{{ item.stateTip }}</text>
							<text v-if="item.status === 12" class="del-btn yticon icon-iconfontshanchu1" @click="cancelOrder(index)"></text>
						</view>

						<scroll-view v-if="item.orderItemList.length > 1" class="goods-box" scroll-y >
							<view v-for="(goodsItem, goodsIndex) in item.orderItemList" :key="goodsIndex" class="goods-item">
								<img class="goods-img" :src="goodsItem.productPic" @click="navToDetailPage(item)" mode="aspectFill"></img>
							</view>
						</scroll-view>
						<view v-if="item.orderItemList.length === 1" class="goods-box-single" v-for="(goodsItem, goodsIndex) in item.orderItemList" :key="goodsIndex">
							<img class="goods-img" :src="goodsItem.productPic" mode="aspectFill"></img>
							<view class="right" @click="navToDetailPage(item)">
								<text class="title clamp">{{ goodsItem.productName }}</text>
								<text class="attr-box">{{ goodsItem.productAttr }} x {{ goodsItem.productQuantity }}</text>
								<text class="price">{{ goodsItem.productPrice }}</text>
							</view>
						</view>

						<view class="price-box">
							共
							<text class="num">{{ item.orderItemList.length }}</text>
							件商品 实付款
							<text class="price">{{ item.payAmount }}</text>
						</view>
						<view class="action-box b-t">
							<text class="state" :style="{ color: item.stateTipColor }" v-if="item.orderType== 6">秒杀订单</text>
							<text class="state" :style="{ color: item.stateTipColor }" v-else-if="item.orderType== 2">拼团订单</text>
							<text class="state" :style="{ color: item.stateTipColor }" v-else-if="item.orderType== 3">团购订单</text>
							<text class="state" :style="{ color: item.stateTipColor }" v-else-if="item.orderType== 4">砍价订单</text>
							<text class="state" :style="{ color: item.stateTipColor }" v-else-if="item.orderType== 5">积分订单</text>
							<button v-if="item.status == 12" class="action-btn" @click="cancelOrder(item)">取消订单</button>
							<button v-if="item.status == 12" class="action-btn recom" @click="payOrder(item)">立即支付</button>
							<button v-if="item.status <7" class="action-btn recom" @click="applyRefund(item)">申请退款</button>
							<button v-if="item.status == 3" class="action-btn recom" @click="confimDelivery(item)">确认收货</button>
							<button class='action-btn recom'
									hover-class="btn-hover"
									v-if="item.status === 4"
									@click="toEvaluate(item.id)"
							>立即评价</button>
						</view>
					</view>
					<uni-load-more :status="loadingType"></uni-load-more>
				</scroll-view>

			</swiper-item>
		</swiper>
	</view>
</template>

<script>
	let userInfo = uni.getStorageSync('userInfo');
	import Api from '@/common/api';
	import uniLoadMore from '@/components/uni-load-more/uni-load-more.vue';
	import empty from '@/components/empty';
	import { formatDate } from '@/common/date';
	export default {
		components: {
			uniLoadMore,
			empty
		},
		data() {
			return {
				tabCurrentIndex: 0,
				pageNum: 1,
				orderList:[],
				headerPosition: 'fixed',
				headerTop: '0px',
				loadingType: 'more', //加载更多状态
				navList: [
					{
						status: 0,
						text: '全部',
						loadingType: 'more',
						orderList: []
					},
					{
						status: 12,
						text: '待付款',
						loadingType: 'more',
						orderList: []
					},
					{
						status: 2,
						text: '待发货',
						loadingType: 'more',
						orderList: []
					},
					{
						status: 3,
						text: '已发货',
						loadingType: 'more',
						orderList: []
					},
					{
						status: 5,
						text: '已完成',
						loadingType: 'more',
						orderList: []
					},
					{
						status: 13,
						text: '申请退款',
						loadingType: 'more',
						orderList: []
					}
				]
			};
		},

		onLoad(options) {
			/**
			 * 修复app端点击除全部订单外的按钮进入时不加载数据的问题
			 * 替换onLoad下代码即可
			 */
			this.tabCurrentIndex = +options.tbIndex;

			this.loadData();
		},
		onPageScroll(e) {
			//兼容iOS端下拉时顶部漂移
			if (e.scrollTop >= 0) {
				this.headerPosition = 'fixed';
			} else {
				this.headerPosition = 'absolute';
			}
		},
		//下拉刷新
		onPullDownRefresh() {
			this.pageNum =  1;
			this.loadData('refresh');
		},
		//加载更多
		onReachBottom() {
			this.pageNum =  1;
			this.loadData('refresh');
		},

		methods: {
			//详情
			navToDetailPage(item) {
				//测试数据没有写id，用title代替
				let id = item.id;
				uni.navigateTo({
					url: `/pages/user/order_list/orderDetail?id=${id}`
				});
			},
			//获取订单列表
			async loadData(type = 'add', loading) {
				//这里是将订单挂载到tab列表下
				let index = this.tabCurrentIndex;
				let navItem = this.navList[index];
				let status = navItem.status;


				let url;
				if(!userInfo.id){
					url = '/pages/public/login';
					uni.navigateTo({
						url
					});
				} else {

					let params = { pageNum: this.pageNum, status: status };
					let data = await Api.apiCall('get', Api.order.orderList, params);
					let goodsList = data.records;
					let orderList = goodsList.filter(item => {
						//添加不同状态下订单的表现形式
						item = Object.assign(item, this.orderStateExp(item.status));
						item.createTime = this.dateFormat(item.createTime);
						//演示数据所以自己进行状态筛选
						if (status === 0) {
							//0为全部订单
							return item;
						}
						return item.status === status;
					});

					if (type === 'refresh') {
						this.orderList = [];
					}

					this.orderList = this.orderList.concat(orderList);

					//判断是否还有下一页，有是more  没有是nomore(测试数据判断大于20就没有了)
					this.loadingType = this.orderList.length > data.total ? 'nomore' : 'more';

					if (type === 'refresh') {
						if (loading == 1) {
							uni.hideLoading();
						} else {
							uni.stopPullDownRefresh();
						}
					}
					this.pageNum = this.pageNum + 1;
					orderList.forEach(item => {
						navItem.orderList.push(item);
					});
				}
			},

			//swiper 切换
			changeTab(e) {
				this.tabCurrentIndex = e.target.current;
				//this.pageNum =  1;
				this.loadData('refresh');
			},
			//顶部tab点击
			tabClick(index) {
				this.pageNum =  1;
				this.loadData('refresh');
				this.tabCurrentIndex = index;
			},
			//删除订单
			async deleteOrder(index) {
				uni.showLoading({
					title: '请稍后'
				});
				setTimeout(() => {
					this.navList[this.tabCurrentIndex].orderList.splice(index, 1);
					uni.hideLoading();
				}, 600);
			},
			async payOrder(item) {
				this.$common.navigateTo(
						'/pages/money/pay?id=' + item.id
				)

			},
			//取消订单
			async cancelOrder(item) {
				let params = { orderId: item.id };
				let data = await Api.apiCall('post', Api.order.closeOrder, params);

				if (data) {
					this.$api.msg(data);
					this.pageNum =  1;
					this.loadData('refresh');
					this.tabCurrentIndex = 4;
				}

			},
			//订单确认收货
			async confimDelivery(item) {

				let params = { id: item.id };
				let data = await Api.apiCall('post', Api.order.confimDelivery, params);
				console.log(data);
				if (data) {
					this.$api.msg(data);
					this.pageNum =  1;
					this.loadData('refresh');
					this.tabCurrentIndex = 4;
				}

			},
			//订单申请退款
			async applyRefund(item) {

				let params = { id: item.id };
				let data = await Api.apiCall('post', Api.order.applyRefund, params);
				if (data) {
					console.log(data);
					this.$api.msg(data);
				}
				this.pageNum =  1;
				this.loadData('refresh');
				this.tabCurrentIndex = 5;
			},
// 去评价
			toEvaluate(orderId) {
				this.$common.navigateTo(
						'/pages/order/evaluate?order_id=' + orderId
				)
			},

			//订单状态文字和颜色
			orderStateExp(value) {
				let stateTip = '',
						stateTipColor = '#fa436a';
				if (value === 12) {
					stateTipColor = '#909399';
					stateTip = '待付款';
				}if (value === 1) {
					stateTipColor = '#909399';
					stateTip = '支付成功，没有回掉';
				}if (value === 2) {
					stateTip = '待发货';
				} else if (value === 3) {
					stateTip = '待收货';
				} else if (value === 4) {
					stateTip = '待评价';
				} else if (value === 5) {
					stateTip = '已完成';
				} else if (value === 6) {
					stateTipColor = '#909399';
					stateTip = '维权中';
				} else if (value === 7) {
					stateTip = ' 维权已完成';
				} else if (value === 8) {
					stateTip = '待分享';
				} else if (value === 13) {
					stateTip = '申请退款';
				} else if (value === 14) {
					stateTip = '已退款';
				}  else if (value === 15) {
					stateTip = '已关闭';
				} else if (value === 16) {
					stateTip = '无效订单';
				} else {
					stateTip = '待付款';
				}

				return { stateTip, stateTipColor };
			},

			dateFormat(time) {
				if (time == null || time === '') {
					return 'N/A';
				}
				let date = new Date(time);
				return formatDate(date, 'yyyy-MM-dd hh:mm:ss');
			}
		}
	};
</script>

<style lang="scss">
	page,
	.content {
		background: $page-color-base;
		height: 100%;
	}

	.swiper-box {
		height: calc(100% - 40px);
	}
	.list-scroll-content {
		height: 100%;
	}

	.navbar {
		display: flex;
		height: 40px;
		padding: 0 5px;
		background: #fff;
		box-shadow: 0 1px 5px rgba(0, 0, 0, 0.06);
		position: relative;
		z-index: 10;
		.nav-item {
			flex: 1;
			display: flex;
			justify-content: center;
			align-items: center;
			height: 100%;
			font-size: 15px;
			color: $font-color-dark;
			position: relative;
			&.current {
				color: $base-color;
				&:after {
					content: '';
					position: absolute;
					left: 50%;
					bottom: 0;
					transform: translateX(-50%);
					width: 44px;
					height: 0;
					border-bottom: 2px solid $base-color;
				}
			}
		}
	}

	.uni-swiper-item {
		height: auto;
	}
	.order-item {
		display: flex;
		flex-direction: column;
		padding-left: 30upx;
		background: #fff;
		margin-top: 16upx;
		.i-top {
			display: flex;
			align-items: center;
			height: 80upx;
			padding-right: 30upx;
			font-size: $font-base;
			color: $font-color-dark;
			position: relative;
			.time {
				flex: 1;
			}
			.state {
				color: $base-color;
			}
			.del-btn {
				padding: 10upx 0 10upx 36upx;
				font-size: $font-lg;
				color: $font-color-light;
				position: relative;
				&:after {
					content: '';
					width: 0;
					height: 30upx;
					border-left: 1px solid $border-color-dark;
					position: absolute;
					left: 20upx;
					top: 50%;
					transform: translateY(-50%);
				}
			}
		}
		/* 多条商品 */
		.goods-box {
			height: 160upx;
			padding: 20upx 0;
			white-space: nowrap;
			.goods-item {
				width: 120upx;
				height: 120upx;
				display: inline-block;
				margin-right: 24upx;
			}
			.goods-img {
				display: block;
				width: 100%;
				height: 100%;
			}
		}
		/* 单条商品 */
		.goods-box-single {
			display: flex;
			padding: 20upx 0;
			.goods-img {
				display: block;
				width: 120upx;
				height: 120upx;
			}
			.right {
				flex: 1;
				display: flex;
				flex-direction: column;
				padding: 0 30upx 0 24upx;
				overflow: hidden;
				.title {
					font-size: $font-base + 2upx;
					color: $font-color-dark;
					line-height: 1;
				}
				.attr-box {
					font-size: $font-sm + 2upx;
					color: $font-color-light;
					padding: 10upx 12upx;
				}
				.price {
					font-size: $font-base + 2upx;
					color: $font-color-dark;
					&:before {
						content: '￥';
						font-size: $font-sm;
						margin: 0 2upx 0 8upx;
					}
				}
			}
		}

		.price-box {
			display: flex;
			justify-content: flex-end;
			align-items: baseline;
			padding: 20upx 30upx;
			font-size: $font-sm + 2upx;
			color: $font-color-light;
			.num {
				margin: 0 8upx;
				color: $font-color-dark;
			}
			.price {
				font-size: $font-lg;
				color: $font-color-dark;
				&:before {
					content: '￥';
					font-size: $font-sm;
					margin: 0 2upx 0 8upx;
				}
			}
		}
		.action-box {
			display: flex;
			justify-content: flex-end;
			align-items: center;
			height: 100upx;
			position: relative;
			padding-right: 30upx;
		}
		.action-btn {
			width: 160upx;
			height: 60upx;
			margin: 0;
			margin-left: 24upx;
			padding: 0;
			text-align: center;
			line-height: 60upx;
			font-size: $font-sm + 2upx;
			color: $font-color-dark;
			background: #fff;
			border-radius: 100px;
			&:after {
				border-radius: 100px;
			}
			&.recom {
				background: #fff9f9;
				color: $base-color;
				&:after {
					border-color: #f7bcc8;
				}
			}
		}
	}

	/* load-more */
	.uni-load-more {
		display: flex;
		flex-direction: row;
		height: 80upx;
		align-items: center;
		justify-content: center;
	}

	.uni-load-more__text {
		font-size: 28upx;
		color: #999;
	}

	.uni-load-more__img {
		height: 24px;
		width: 24px;
		margin-right: 10px;
	}

	.uni-load-more__img > view {
		position: absolute;
	}

	.uni-load-more__img > view view {
		width: 6px;
		height: 2px;
		border-top-left-radius: 1px;
		border-bottom-left-radius: 1px;
		background: #999;
		position: absolute;
		opacity: 0.2;
		transform-origin: 50%;
		animation: load 1.56s ease infinite;
	}

	.uni-load-more__img > view view:nth-child(1) {
		transform: rotate(90deg);
		top: 2px;
		left: 9px;
	}

	.uni-load-more__img > view view:nth-child(2) {
		transform: rotate(180deg);
		top: 11px;
		right: 0;
	}

	.uni-load-more__img > view view:nth-child(3) {
		transform: rotate(270deg);
		bottom: 2px;
		left: 9px;
	}

	.uni-load-more__img > view view:nth-child(4) {
		top: 11px;
		left: 0;
	}

	.load1,
	.load2,
	.load3 {
		height: 24px;
		width: 24px;
	}

	.load2 {
		transform: rotate(30deg);
	}

	.load3 {
		transform: rotate(60deg);
	}

	.load1 view:nth-child(1) {
		animation-delay: 0s;
	}

	.load2 view:nth-child(1) {
		animation-delay: 0.13s;
	}

	.load3 view:nth-child(1) {
		animation-delay: 0.26s;
	}

	.load1 view:nth-child(2) {
		animation-delay: 0.39s;
	}

	.load2 view:nth-child(2) {
		animation-delay: 0.52s;
	}

	.load3 view:nth-child(2) {
		animation-delay: 0.65s;
	}

	.load1 view:nth-child(3) {
		animation-delay: 0.78s;
	}

	.load2 view:nth-child(3) {
		animation-delay: 0.91s;
	}

	.load3 view:nth-child(3) {
		animation-delay: 1.04s;
	}

	.load1 view:nth-child(4) {
		animation-delay: 1.17s;
	}

	.load2 view:nth-child(4) {
		animation-delay: 1.3s;
	}

	.load3 view:nth-child(4) {
		animation-delay: 1.43s;
	}

	@-webkit-keyframes load {
		0% {
			opacity: 1;
		}

		100% {
			opacity: 0.2;
		}
	}
</style>
